package com.newcoder.huawei;

import java.util.Scanner;

public class HJ62 {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int number = in.nextInt();
            String binaryString = Integer.toBinaryString(number);
            String subString = binaryString.replaceAll("1", "");
            System.out.println(binaryString.length() - subString.length());
        }
    }

}
